[jira] [Created] (LENS-447) Lens CLI should not throw HTTP errors for basic problems

["Angad Singh (JIRA)" <ji...@apache.org>]

Angad Singh created LENS-447:
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             Summary: Lens CLI should not throw HTTP errors for basic problems
                 Key: LENS-447
                 URL: https://issues.apache.org/jira/browse/LENS-447
             Project: Apache Lens
          Issue Type: Bug
            Reporter: Angad Singh


Example - dimension not present in db - lens will throw a 500 internal server error. dimtable not found - 404. show a more human readable error.

{noformat}
lens-shell>prepQuery prepare --query "cube select user_latest_location.locationId from user j"
Command failed javax.ws.rs.InternalServerErrorException: HTTP 500 Internal Server Error
{noformat}

{noformat}
org.apache.lens.api.LensException:  Driver :org.apache.lens.driver.hive.HiveDriver Cause :Neither cube nor dimensions accessed in the query
	at org.apache.lens.server.query.QueryExecutionServiceImpl.rewriteAndSelect(QueryExecutionServiceImpl.java:1071)
	at org.apache.lens.server.query.QueryExecutionServiceImpl.prepareQuery(QueryExecutionServiceImpl.java:1300)
	at org.apache.lens.server.query.QueryExecutionServiceImpl.prepare(QueryExecutionServiceImpl.java:1269)
	at org.apache.lens.server.query.QueryServiceResource.prepareQuery(QueryServiceResource.java:318)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:151)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:171)
	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:195)
	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:104)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:353)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:343)
	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
	at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:255)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
	at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:318)
	at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:235)
	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:983)
	at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.service(GrizzlyHttpContainer.java:330)
	at org.glassfish.grizzly.http.server.HttpHandler$1.run(HttpHandler.java:212)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:565)
	at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java
{noformat}



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